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Finding the Fourth Proportional to 334, 461 and 196.08

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Solution

The fourth proportional to 334, 461 and 196.08 is: 270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    334 : 461 = 196.08 : x
  2. Step 2: Convert to fraction form
    334/461 = 196.08/x
  3. Step 3: Cross multiply
    334x = 461 × 196.08
  4. Step 4: Simplify right side
    334x = 90,392.88
  5. Step 5: Solve for x
    x = 90,392.88/334
  6. Step 6: Final answer
    x = 270.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.